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    Configuring Connectivity for OSPF Topology Acquisition

    If BGP-LS is not being used, one of the IGP protocols must be configured on the CSD-Topology. To enable OSPF on CSD-Topology, before you begin, verify IP connectivity between a switch (or router) and the x86 appliance on which CSD-Topology software is installed.

    To configure OSPF topology acquisition, see:

    Configuring OSPF on the CSD-Topology

    To configure OSPF on the CSD-Topology:

    1. Configure the policy.
      [edit policy-options]
      user@csd_topology_junosvm# set policy-statement TE term 1 from family traffic-engineering
      user@csd_topology_junosvm# set policy-statement TE term 1 then accept
    2. Populate the traffic engineering database.
      [edit]
      user@csd_topology_junosvm# set protocols mpls traffic-engineering database import policy TE
    3. Configure OSPF.
      [edit]
      user@csd_topology_junosvm# set protocols ospf area area interface interface interface-type p2p

    Configuring OSPF Over GRE on the CSD-Topology

    Once you have configured OSPF on the CSD-Topology, you can take the following additional steps to configure OSPF over GRE:

    1. Initiate an SSH or telnet session using the IP address for the CSD-Topology JunosVM external IP address.
    2. Configure the tunnel.
      [edit interfaces]
      user@csd_topology_junosvm# set gre unit 0 tunnel source local-physical-ip
      user@csd_topology_junosvm# set gre unit 0 tunnel destination destination
      user@csd_topology_junosvm# set gre unit 0 family inet addresstunnel-ip-addr
      user@csd_topology_junosvm# set gre unit 0 family iso
      user@csd_topology_junosvm# set gre unit 0 family mpls
    3. Enable OSPF traffic engineering on the JunosVM and add the GRE interface to the OSPF configuration.
      [edit protocols ospf]
      user@csd_topology_junosvm# set traffic-engineering
      user@csd_topology_junosvm# set area area interface gre.0 interface-type p2p
      user@csd_topology_junosvm# set area area interface gre.0 metric 65530

    Modified: 2016-08-29